> ## Documentation Index
> Fetch the complete documentation index at: https://documentation.byteful.com/llms.txt
> Use this file to discover all available pages before exploring further.

# OS Targeting

> How to target specific operating systems with mobile proxies

Operating system targeting comes as standard with mobile data purchases. You can target proxies on devices running the following operating systems: `windows`, `linux`, and `android`.

<Info>
  BETA: we cannot guarantee that OS targeting will persist in the future for our mobile network proxies.
</Info>

Limiting the operating system of your proxies reduces the number of available proxies. Unless you specifically need proxies from devices running a specific operating system then we generally recommend leaving this feature off.

You can specify an operating system for a proxy by adding the OS in this format: `_os_{operating_system}` to the username field of the proxy.

## OS Targeting

```bash theme={null}
# Generate 5 proxies from devices running Linux
curl --request GET \
  --url 'https://api.byteful.com/1.0/public/user/mobile/list?os_alias=linux&list_count=5' \
  --header 'X-API-Public-Key: your_public_key' \
  --header 'X-API-Private-Key: your_private_key'
```

This will return proxies exclusively from devices running the specified operating system:

```json theme={null}
{
  "data": [
    "mobile.byteful.com:15391:your_user_os_linux_s_TNJJENYJ5F4802LK:your_password",
    "mobile.byteful.com:15452:your_user_os_linux_s_RK9TB7HK0CIW0TC0:your_password",
    "mobile.byteful.com:15288:your_user_os_linux_s_PGSQD4C0LTV2UZ8B:your_password",
    "mobile.byteful.com:15034:your_user_os_linux_s_7QA931N9NE57I87U:your_password",
    "mobile.byteful.com:15863:your_user_os_linux_s_WPNYF1EMPF9UKSNH:your_password"
  ],
  "message": "Mobile list successfully generated."
}

```

## Combining OS Targeting with Other Filters

For advanced targeting, you can combine OS targeting with geolocation targeting:

```bash theme={null}
# Generate 3 proxies from Windows devices in the US
curl --request GET \
  --url 'https://api.byteful.com/1.0/public/user/mobile/list?country_id=us&os_alias=windows&list_count=3' \
  --header 'X-API-Public-Key: your_public_key' \
  --header 'X-API-Private-Key: your_private_key'
```

## Dashboard Generation

You can also easily generate OS targeted proxies through our dashboard interface by selecting the desired operating system from the dropdown menu in the mobile proxy generator.

For more information on generating mobile proxies, see the [Generating Mobile Proxies](/general/generating-mobile-proxies) guide.